Github user liancheng commented on a diff in the pull request: https://github.com/apache/spark/pull/8988#discussion_r41465749 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilters.scala --- @@ -282,33 +277,4 @@ private[sql] object ParquetFilters { addMethod.setAccessible(true) addMethod.invoke(null, classOf[Binary], enumTypeDescriptor) } - - /** - * Note: Inside the Hadoop API we only have access to `Configuration`, not to - * [[org.apache.spark.SparkContext]], so we cannot use broadcasts to convey - * the actual filter predicate. - */ - def serializeFilterExpressions(filters: Seq[Expression], conf: Configuration): Unit = { - if (filters.nonEmpty) { - val serialized: Array[Byte] = - SparkEnv.get.closureSerializer.newInstance().serialize(filters).array() - val encoded: String = BaseEncoding.base64().encode(serialized) - conf.set(PARQUET_FILTER_DATA, encoded) - } - } - - /** - * Note: Inside the Hadoop API we only have access to `Configuration`, not to - * [[org.apache.spark.SparkContext]], so we cannot use broadcasts to convey - * the actual filter predicate. - */ - def deserializeFilterExpressions(conf: Configuration): Seq[Expression] = { - val data = conf.get(PARQUET_FILTER_DATA) - if (data != null) { - val decoded: Array[Byte] = BaseEncoding.base64().decode(data) - SparkEnv.get.closureSerializer.newInstance().deserialize(ByteBuffer.wrap(decoded)) - } else { - Seq() - } - } --- End diff -- This part of code is irrelevant to this PR, but it has been dead for a while, so remove it.
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